CN109029636B - Water depth measuring device and method - Google Patents
Water depth measuring device and method Download PDFInfo
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- CN109029636B CN109029636B CN201810766647.3A CN201810766647A CN109029636B CN 109029636 B CN109029636 B CN 109029636B CN 201810766647 A CN201810766647 A CN 201810766647A CN 109029636 B CN109029636 B CN 109029636B
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- ultrasonic ranging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a water depth measuring device and a water depth measuring method, the water depth measuring device comprises a handle rod, wherein the handle rod comprises a handheld part at the upper end, a first straight rod connected with the handheld part, and a first sleeve, the first sleeve is sleeved on the outer wall of the first straight rod, the lower end of the first sleeve is connected with a measuring head, the measuring head is in a cake shape, a level bubble is arranged on the upper end face of the cake-shaped measuring head, an ultrasonic ranging transmitting end and an ultrasonic ranging receiving end are arranged on the lower end face of the cake-shaped measuring head, an information display screen is arranged on the outer wall of the middle part of a tube of the first sleeve, and a control unit is arranged in the cake-shaped measuring head and is respectively electrically connected with the ultrasonic ranging transmitting end, the ultrasonic ranging receiving end and the information display screen. The invention can conveniently and rapidly measure the water depth of the water area without adding too much investment, thereby having larger application field and prospect.
Description
Technical Field
The invention relates to a water depth measuring device and a water depth measuring method.
Background
In the production and life, especially in unfamiliar waters, accidents are easy to happen due to the specific conditions of unfamiliar waters, and life and property losses are caused when the plot is serious; the existing water level depth measuring device is often inconvenient to carry, is high in price and is unfavorable for field operation, especially field operation, and inconvenience is brought to engineering technicians such as measurement investigation and the like for acquiring field useful data.
Disclosure of Invention
The invention aims to overcome the defects that the hydrologic condition of a water area, particularly the water level depth is inconvenient to acquire in the existing production and living fields, and particularly provides a measuring tool convenient to carry,
in order to achieve the above purpose, the invention provides a water depth measuring device, which comprises a handle rod, wherein the handle rod comprises a handheld part at the upper end, a first straight rod connected with the handheld part, and a first sleeve, wherein the first sleeve is sleeved on the outer wall of the first straight rod, the lower end of the first sleeve is connected with a measuring head, the measuring head is in a cake shape, a level bubble is arranged on the upper end face of the cake-shaped measuring head, an ultrasonic ranging transmitting end and an ultrasonic ranging receiving end are arranged on the lower end face of the cake-shaped measuring head, an information display screen is arranged on the outer wall of the middle part of the first straight rod, and a control unit is arranged in the cake-shaped measuring head and is respectively electrically connected with the ultrasonic ranging transmitting end, the ultrasonic ranging receiving end and the information display screen.
In addition, the embodiment according to the invention can have the following additional technical features:
according to one embodiment of the invention, a switch is further arranged on the outer wall of the middle part of the first straight rod, and the switch is electrically connected with the control unit.
According to one embodiment of the invention, a graduated scale is arranged on the outer wall of the first straight rod.
According to one embodiment of the invention, a threaded through hole is formed in the outer wall of the first sleeve sleeved on the outer wall of the first straight rod in the radial direction of the first sleeve, the threaded through hole is matched with a fastening screw, and a hand wheel is arranged at the end part, away from the outer wall of the first sleeve, of the fastening screw.
According to one embodiment of the invention, the control unit comprises a microcontroller, the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end are respectively connected with the microcontroller through output interfaces, the information display screen is connected with the microcontroller, the power supply is connected with the microcontroller through a switch, and the microcontroller is a singlechip or a PLC.
A water depth measuring method of a water depth measuring device, comprising the steps of:
step one, combining the field water level, unscrewing a fastening screw rod through a hand wheel, adjusting the length between a first straight rod in a handle rod and a first sleeve to be L, and then screwing the fastening screw rod, wherein a graduated scale on the outer wall of the first straight rod indicates an L value;
step two, a switch on the outer wall of the middle part of the first straight rod is turned on, a handheld part connected with the first straight rod is held by hand, the level bubble level arranged on the upper end face of a cake-shaped measuring head at the lower end of the first sleeve is kept, the measuring head just submerges below the surface layer of the water, an ultrasonic ranging transmitting end and an ultrasonic ranging receiving end in the measuring head work, a microcontroller in a control unit connected with the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end obtains water depth data, and the vertical water depth h1 under the water surface is displayed on an information display screen;
step three, the information display screen is a touch screen, a measurer inputs a scale value L indicated by a scale on the first straight rod on the information display screen, and the controller in the control unit calculates the lateral projection length h2=Lsin 135 degrees of the handle rod at the moment by using the fact that the included angle between the whole handle rod and the horizontal plane is 135 degrees;
step four, obtaining the total vertical depth from the water bottom to the hand holding part of the hand holding handle rod from h1 and h2 as follows:
H＝h1+h2＝h1+L*sin135°＝h1+0.707L；
wherein H is the total vertical depth of the water bottom to the hand-held portion of the hand-held handle bar;
h1 is the vertical water depth from the water surface to the water bottom;
h2 is the lateral projection length of the handle bar;
l is the adjusted length of the handle bar.
After a level bubble arranged on the upper end face of the observation measuring head is horizontal, the control unit receives measurement data returned by the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end by immersing the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end of the lower end face of the measuring head below the water surface, and the measurement data are resolved by an internal microcontroller to obtain vertical water depth data of the water area obtained by measurement at the moment and are displayed by an information display screen. The depth of water is the actual vertical distance H1 from the water surface to the water bottom, under normal conditions, a measurer is located above the embankment, if the distance from the embankment to the water bottom is required to obtain, the sum of the distances from the handheld part of the measurer to the water surface and the water surface to the water bottom can be approximately considered, the device is provided with a graduated scale on the outer wall of the first straight rod in the handle rod, the distance L from the measurer to the water surface can be obtained by the graduated scale size of the outer wall of the first straight rod, which is exposed out of the upper opening edge of the first sleeve, and the distance L from the measurer to the water surface can be obtained by adding the vertical water depth data of the water area displayed by the information display screen.
The invention can conveniently and rapidly measure the water depth of the water area without increasing much investment, and improves the working efficiency, thus having larger application field and prospect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will be apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings,
FIG. 1 is a schematic diagram of a water depth measuring device;
FIG. 2 is a schematic diagram of the control unit of FIG. 1;
FIG. 3 is a flow chart of the measurement method of FIG. 1;
the hand-held type water level meter comprises a hand-held part 1, a first straight rod 2, a hand wheel 3, a switch 4, an information display screen 5, a level bubble 6, a control unit 7, an ultrasonic ranging receiving end 8, an ultrasonic ranging transmitting end 9, a first sleeve 10, a power supply 11, a microcontroller 12 and an output interface 13.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention. Further description is provided below with reference to the accompanying drawings;
in fig. 1 and 2, a water depth measuring device is provided, which comprises a handle rod, wherein the handle rod comprises a hand-holding part 1 at the upper end, and finger grooves are arranged at the hand-holding end to facilitate hand holding. The handheld part 1 is characterized by further comprising a first straight rod 2 connected with the handheld part 1, a first sleeve 10, wherein the first sleeve 10 is sleeved on the outer wall of the first straight rod 2, the lower end of the first sleeve 10 is connected with a measuring head, the measuring head is in a cake shape, and a level bubble 6 is arranged on the upper end face of the cake-shaped measuring head, so that the level of the measuring head can be kept in measurement, and the vertical distance of a water area can be obtained. The ultrasonic ranging device comprises a first sleeve 10, a second sleeve 10, a control unit 7, an ultrasonic ranging transmitting end 9, an ultrasonic ranging receiving end 8, an information display screen 5, an ultrasonic ranging receiving end 8 and an information display screen 5, wherein the lower end face of the measuring head is in a cake shape, the control unit 7 is arranged in the measuring head, and the control unit 7 is respectively and electrically connected with the ultrasonic ranging transmitting end 9, the ultrasonic ranging receiving end 8 and the information display screen 5.
A switch 4 is also provided on the outer wall of the middle part of the first sleeve 10 to switch on or off the power supply 11 for operation of the whole device, the switch 4 being electrically connected to the control unit 7.
The outer wall of the first straight rod 2 is provided with a graduated scale, the zero point of the graduated scale is arranged at the hand-held end, and the graduated scale value of the pipe orifice of the first sleeve 10, which is the total length of the whole handle rod for the moment, is exposed out of the first straight rod 2. The scale size of the outer wall of the first straight rod 2 exposed out of the edge of the upper opening of the first sleeve is not used for measuring the vertical distance from a person to the water surface, the vertical distance from the handle rod to the water surface meets the Pythagorean theorem, the handle rod is equal to the hypotenuse of a triangle, the included angle between the whole handle rod and the horizontal plane is 135 degrees, and the vertical length of the whole handle rod can be obtained according to the Pythagorean theorem or the normal and excessive rotation theorem. If the scale on the handle bar indicates 2 meters, that is, the length of the whole handle bar is 3 meters, the vertical distance from the hand-held part of the measuring person to the water surface of the handle bar meets the Pythagorean theorem or the forward and surplus rotation theorem, and therefore the total depth from the hand-held part of the measuring person to the water bottom is the sum of the display screen 5 and the distance from the hand-held part to the water surface, 3 x 0.707.
The outer wall of the first sleeve 10 sleeved on the outer wall of the first straight rod 2 is provided with a threaded through hole in the radial direction of the first sleeve 10, the threaded through hole is matched with a fastening screw, and the end part of the fastening screw, which is far away from the outer wall of the first sleeve 10, is provided with a hand wheel 3. This keeps the first straight rod 2 and the first sleeve 10 from getting loose.
The control unit 7 comprises a microcontroller 12, the ultrasonic ranging transmitting end 9 and the ultrasonic ranging receiving end 8 are respectively connected with the microcontroller 12 through an output interface 13, the microcontroller is a PLC, and a model familiar to a technician, such as Mitsubishi FX or FXON32 series, can be adopted. The waterproof ultra-long distance ultrasonic ranging sensor NU40F30TR-1MD can be used.
The information display 5 is connected to the microcontroller 12, and the power supply 11 is connected to the microcontroller 12 through the switch 4. The main function of the control unit 7 is to process the data returned by the ultrasonic ranging transmitting end 9 and the ultrasonic ranging receiving end 8 to obtain the water depth value, and then the water depth value is displayed by the information display screen 5. Thus, the acquisition of water depth data of the water area can be realized.
The water depth measuring method of the device comprises the following steps:
step one, combining the field water level, unscrewing a fastening screw rod through a hand wheel, adjusting the length between a first straight rod in a handle rod and a first sleeve to be L, and then screwing the fastening screw rod, wherein a graduated scale on the outer wall of the first straight rod indicates an L value;
step two, a switch on the outer wall of the middle part of the first straight rod is turned on, a handheld part connected with the first straight rod is held by a hand, and water arranged on the upper end face of a lower cake-shaped measuring head of the first sleeve is keptThe quasi-bubble level, just submerge the measuring head under the surface layer of the water, the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end in the measuring head work, the microcontroller in the control unit connected with the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end obtains the water depth data, and the vertical water depth h under the water surface 1 Displaying on an information display screen;
step three, the information display screen is a touch screen, an industrial embedded capacitive screen can be adopted, a measurer inputs a scale value L indicated by a scale on a first straight rod on the information display screen, and the controller in the control unit calculates the lateral projection length h2=Lsin 135 degrees of the handle rod at the moment by using the sine theorem with the included angle between the whole handle rod and the horizontal plane of 135 degrees;
step four, obtaining the total vertical depth from the water bottom to the hand holding part of the hand holding handle rod from h1 and h2 as follows:
H＝h1+h2＝h1+L*sin135°＝h1+0.707L；
wherein H is the total vertical depth of the water bottom to the hand-held portion of the hand-held handle bar;
h1 is the vertical water depth from the water surface to the water bottom;
h2 is the lateral projection length of the handle bar;
l is the adjusted length of the handle bar.
Assuming that in this measurement, the adjusted length L of the handle bar is 3 meters, and the vertical depth H1 from the water surface to the water bottom displayed by the information display screen is 5 meters, then the total vertical depth H from the water bottom to the hand-held portion of the hand-held handle bar:
h=h1+0.7l=5+0.707×3≡7.1 meters.
In this device, the control unit closely sets up in measuring head with ultrasonic ranging transmitting end and ultrasonic ranging receiving end connection, is hoped more reliably to receive the data of gathering, avoids being attenuated or disturbed by the data of gathering, along with bringing the higher adverse condition of waterproof requirement, can adopt the epoxy sealant to pour the mode of control unit and solve. The control unit can also be mounted in a position with the information display 5, but with regard to technical protection against data decay or interference.
In the description of the present specification, reference to the term "one embodiment" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (1)
1. The water depth measuring method of the water depth measuring device is characterized in that the water depth measuring device comprises a handle rod, the handle rod comprises a handheld part at the upper end, a first straight rod connected with the handheld part, and a first sleeve, wherein the first sleeve is sleeved on the outer wall of the first straight rod, the lower end of the first sleeve is connected with a measuring head, the measuring head is in a cake shape, a level bubble is arranged on the upper end face of the cake-shaped measuring head, an ultrasonic ranging transmitting end and an ultrasonic ranging receiving end are arranged on the lower end face of the cake-shaped measuring head, an information display screen is arranged on the outer wall of the middle part of the first straight rod, and a control unit is arranged in the cake-shaped measuring head and is respectively electrically connected with the ultrasonic ranging transmitting end, the ultrasonic ranging receiving end and the information display screen;
a switch is further arranged on the outer wall of the middle part of the first straight rod, and the switch is electrically connected with the control unit;
a graduated scale is arranged on the outer wall of the first straight rod;
the outer wall of a first sleeve sleeved on the outer wall of the first straight rod is provided with a threaded through hole in the radial direction of the first sleeve, the threaded through hole is matched with a fastening screw, and the end part of the fastening screw, which is far away from the outer wall of the first sleeve, is provided with a hand wheel;
the control unit comprises a microcontroller, the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end are respectively connected with the microcontroller through output interfaces, the information display screen is connected with the microcontroller, the power supply is connected with the microcontroller through a switch, and the microcontroller is a singlechip or a PLC;
a method of measuring water depth comprising the steps of:
step one, combining the field water level, unscrewing a fastening screw rod through a hand wheel, adjusting the length between a first straight rod in a handle rod and a first sleeve to be L, and then screwing the fastening screw rod, wherein a graduated scale on the outer wall of the first straight rod indicates an L value;
step two, a switch on the outer wall of the middle part of the first straight rod is turned on, a handheld part connected with the first straight rod is held by hand, the level bubble level arranged on the upper end face of a cake-shaped measuring head at the lower end of the first sleeve is kept, the measuring head just submerges below the surface layer of the water, an ultrasonic ranging transmitting end and an ultrasonic ranging receiving end in the measuring head work, a microcontroller in a control unit connected with the ultrasonic ranging transmitting end and the ultrasonic ranging receiving end obtains water depth data, and the vertical water depth h1 under the water surface is displayed on an information display screen;
step three, the information display screen is a touch screen, a measurer inputs a scale value L indicated by a scale on the first straight rod on the information display screen, and the controller in the control unit calculates the lateral projection length h2=Lsin 135 degrees of the handle rod at the moment by using the fact that the included angle between the whole handle rod and the horizontal plane is 135 degrees;
step four, obtaining the total vertical depth from the water bottom to the hand holding part of the hand holding handle rod from h1 and h2 as follows: h=h1+h2=h1+l sin135 ° =h1+0.707L;
wherein H is the total vertical depth of the water bottom to the hand-held portion of the hand-held handle bar;
h1 is the vertical water depth from the water surface to the water bottom;
h2 is the lateral projection length of the handle bar;
l is the adjusted length of the handle bar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810766647.3A CN109029636B (en) | 2018-07-13 | 2018-07-13 | Water depth measuring device and method |
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| CN201810766647.3A CN109029636B (en) | 2018-07-13 | 2018-07-13 | Water depth measuring device and method |
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| CN109029636A CN109029636A (en) | 2018-12-18 |
| CN109029636B true CN109029636B (en) | 2023-08-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109974813B (en) * | 2019-04-11 | 2020-12-25 | 福建农林大学 | Water depth measuring method based on double probes |
| CN114608542B (en) * | 2022-03-02 | 2023-07-25 | 浙江省水文管理中心 | Portable water depth on-line monitor without leveling |
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